Dishwashing machine



Feb. 13, 1923. 1,444,902

R. E. CALLAHAN DISHWASHING MACHINE 32: Filed Jan. 21, 1 921 2 sheets-sheet 1 Patented F eb, 13, 1923.

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RICHARD EDWARD 'CALLAHAN, OE TORONTO, ONTARIO, CANADA.

' DISE'WASHING MACHINE.-

Application filed January 21, 1921. Serial No. 438,943.

. To all whom it may concern Be it known that I, RICHARD EDWARD CALLAHAN, a citizen of the United States of America,'and resident of 24 King St. west, in the city of Toronto, in the county .of York, in the Province of Ontario, in the Dominion of Canada, have invented certain new and useful Improvements in Dishwash-'- ing Machines, of which the following is a specification. v

The invention relates to improvements in dish washing machines as described in the present specification and shown. in the accompanying drawings that form' a part'of quent upon the washing of dishes by the present method, which necessitates placing the hands in the water,. to provide a dish washing machine particularly adapted" for use in private homes and other like places, and generally to produce a dish washing machine which will be inexpensive of construction, simple of operation, durable and efiicient. L

In the drawings Figure 1 is a vertical sectional view through the device in its assembled condition, the raised position of the lid being shown in dotted lines.

Figure 2 is a vertical sectional view taken on the line A-A of Figure 1. Figure 3 is a plan view of the machine.

Figure 4 is a plan view of the fan employed to agitate the water. I

Figure 5 is'a plan view showing the container for the dishes, in its open position.

Figure 6 is a side elevation of the fan shown in Figure 4.

Y responding parts in the various. figures.

Like numerals of reference indicate cor 3 is theclosurefor the casing or container 1, s a1d closure being hinged as at 4 to said casing and being provided with a catch 5 located substantially opposite to the hinges 4 and adapted'to register with a suitable fastener 6, secured to the side wall ,of said container.

7 is' the motor which may be securedin any desired manner to the outer side of the 11d 3 and to which is operativelyconnected a bevel gear 8, said bevel gear being adapted to project downwardly through an opening in said lid for the purpose of 'operatively engagmg' gearing located withinathe container as will-be explained hereinafter.

9 is the dish rack or containercomprismg a pair of. sections each substantially semi-circular in plan, hingedly secured to-- gether along corresponding sides, as at 10 and at their opposite sides being provided with means, indicated by the numeral 11 for locking the sections together to form a cylindrical container, said container being of reticular construction and being provided. with shelves 12, of which there maybe any desired number, for the purposeof supporting thedishes or other articlesto bewashed.

The rack or container 9 is of smaller dimensions than the outer casing 1 and isadapted to: be rotatably supported within said outer casing by means of a s indle 13 I extending longitudinally through t ;e centre of said rack and keyed to one of the sections thereof, one end of said spindle being m Vided with a conical bearing 14 a supporting member 15 rigidly secured cenerein adapted to receive the cone shaped end'of,

trally of the bottom of the casing 1, and the other end of said spindle being formed with cone shaped end 16 adapted to enter a correspondingly. shaped opening in a block 17 rigidly secured onthe under side of the lid 3, centrally thereof. As the block 17 is carried by the lid 3 it is apparent that the spindle 13 will tilt from a truevertical'position when said lid is raised and .it is, therefore essential that means be provided for automatically centering said spindle coincident with the closing of said lid and for this purpose the end of said block is concaved as at 18 from the centre of which concavity extends the bearing for the spindle, so that u'pon the olosing of the lid the concaved of said pipe being prefer surface of said block will engage the pointed end of the spindle and guide same into its bearing. 7

19 is. a bevel gear horizontally mounted on the spindle 13; above the dish rack and keyed to said spindleand being adapted to mesh with the gear 8 when the lid 3 is closed so that upon, the starting of the motor 7 the spindle 13 carrying the dish rack will be rotated on its bearings.

20 is' a comparatively shallow cone shaped fan havingacentral sleeve 20 keyedto the spindle 12 below the rack 9 and having portions of the surface thereof punched upwardly to form blades 21 located at intervals therearound, said fan being for the purpose of splashing the water upwardly into the dish rack as well as forming a support for the spindle 13' upon the raising of the lid 3. The water is sprayed into the dish rack 9 by means of a pipe or nozzle 22 vertically ar- "ranged within the outer casing 1 and hav ing perforations 23'throughout its length,

said pipe being connected to the supply pipe 24 by means of a bifurcated pipe 25 interposed therebetween, the branches 26 and 27 ab y provided with a central' web 28 and lateral extensions 29 therefrom, to the latter of which may be se cured in any desired manner a soap receptacle 30, said branch 26'being cut away on its underside to afford open communication with the interior of said soap receptacle.

31 and 32 are valves adapted to control the supply of water to the branches 26 and 27 respectively.

33 is an outlet pipe communicating with the, interor of the outer casing 1 and controlled by a valve 34.

Inthe use of this invention the lid 3 is first raised, disengaging the gears 8 and 19 and-releasing the upper end of the spindle 13 from its bearing in the block 17, thus permitting of the withdrawal, through the top of the outer casing,- of the dish rack 9, including of course the gear 19, the spindle 13 and the fan 20, the latter forming a means for supportingthe dish rack in a vertical position while removed from its bearing in the casing 1. The fastening means 11 is then released and the container 9 opened to permit of the dishes. or other articles being placed onthe shelves'12' after which said container is closed and replaced within the casing and the lid 3 closed and fastened, the concaved lower face of the block 17 guiding-the end of the spindle 13 to bearing in said block, causing the'gears 8 and 19' to mesh. The dish rack is then setin motion through the starting of the motor;

7 and the water is turned .on preferably first b ,means of the valve31 as the opening of tli is valve permits of the water reaching the'nozzle 22throughthe pipe 26, which pipe is in open communication with the spap box into said rack.

30,- thus first spraying the dishes with a soapy solution. As the water drops from 'the dish rack it' falls on to the swiftly revolving fan which splashes it upwardly again into contact with the dishes in the rack. When suflicient of the soapy solution has been sprayed into the dish rack the valve 31 may be closed and the valve 32 opened thus releasing the clear water through the tained in the claims for novelty following.

What ll claim is 1. In a dish washing machine, a casing, having an opening at the top end thereof, a closure for said opening, a dish rack rotas tably sup'ported-within'said casing, means for rotating said dish rack, a nozzle supported between said-rack and said casing and connecting withthe source of water, supply and discharging into said rack, and

, means rotatable with said rack and receiving'the'driptherefrom for splashing same 2. In a dish washing machine, a casing, having an" opening at the top end thereof, a closure for said opening, a dish rackinreticular form rotatably supported within said casing and withdrawable through said opening, means for rotating said rack, a nozzle supported between said rack and said casing and connected with the source of water supply and discharging into said rack, and a convex member positioned below said dish rack and rotatable therewith and car rying blades adapted to return the drip form said dish rack. j

3. In a dishwashing machine, a casing having an opening at the top end thereof, a

closuire for said opening, a dish rack in reticular form rotatably supported within said casing and removable through the top end thereof, means for rotating said dish rack, a nozzle supported between said rack and said casing and connected with the source of water supply and discharging into said rack and a substantially cone shaped fan mounted below said'rack and rotatable therewith.-

4. In a dish washing machine, a casing open at its top end, a hinged closure for said top end, aspindle vertically and rotatably mounted in bearings on the under side of said closure and the bottom wall of said caslng, a convex member rigidly mounted on said spindle adjacent to the lower end Signed at the city of Toronto, this ninth thereof 213d carriing ulrfwardly projecting day of December, 1920. i

blades, a ish rac ri i mounted on sai spindle above said cgnv ii member, and a RICHARD EDWARD i nozzle supported between said rack and said Witnesses: casing and connected with the source of PERCY F. FERGUSON, water supply and discharging into said rack. Gr. MURPHY. 

